If 0.5 T is the time period of oscillations and Toff is the time between turn off of one thyristor and turn on of second thyristor, the frequency of output f of a series inverter is

If 0.5 T is the time period of oscillations and Toff is the time betwe

1.	If 0.5 T is the time period of oscillations and Toff is the time between turn off of one thyristor and turn on of second thyristor, the frequency of output f of a series inverter is
A.	<img src="/_files/images/electronics-and-communication-engineering/power-electronics/278-294-1.png">
B.	<img src="/_files/images/electronics-and-communication-engineering/power-electronics/278-294-2.png">
C.	<img src="/_files/images/electronics-and-communication-engineering/power-electronics/278-294-3.png">
D.	<img src="/_files/images/electronics-and-communication-engineering/power-electronics/278-294-4.png">
Answer» B. <img src="/_files/images/electronics-and-communication-engineering/power-electronics/278-294-2.png">